Open Yale Courses provides free and open access to a selection of introductory courses taught by distinguished teachers and scholars at Yale University. The aim of the project is to expand access to educational materials for all who wish to learn.

A list of free online courses from the world’s leading universities. This collection includes over 725 free courses in the liberal arts and sciences. Download these audio & video courses straight to your computer or mp3 player.

Part of Rice University, Connexions is a repository of free learning materials organized and easily exported as textbooks. Content is modularized and can be mixed and combined to make custom resources.

Funded by Institute for the Study of Knowledge Management in Education (ISKME) An independent non-profit institute dedicated to helping educators share information since 2007. The OER Commons search engine allows you to search multiple repositories at once and gather resources from multiple institutions.